The Basics: What is GIS?
Geographic Information Systems (GIS) offer a compelling and powerful approach to exploring our world. Applicable across a vast range of disciplines, GIS simultaneously serves as an information management system, analysis tool, and visualization technique.
At UC San Diego GIS is used in over fifty departments ranging from archaeology to economics to family medicine. Now it's your turn to join in and let us help you figure how GIS can be applied to your work.
For more online information, ESRI, the predominate GIS software manufacturer, provides great information on the basics of GIS.
Overview of GIS Services and Resources